CN111795243A - Worm and gear hoop, transmission structure and automobile - Google Patents
Worm and gear hoop, transmission structure and automobile Download PDFInfo
- Publication number
- CN111795243A CN111795243A CN202010666645.4A CN202010666645A CN111795243A CN 111795243 A CN111795243 A CN 111795243A CN 202010666645 A CN202010666645 A CN 202010666645A CN 111795243 A CN111795243 A CN 111795243A
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- CN
- China
- Prior art keywords
- hoop
- worm gear
- head end
- hose
- tail end
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
- F16L33/08—Hose-clips in which a worm coacts with a part of the hose-encircling member that is toothed like a worm-wheel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
- F16L33/04—Hose-clips tightened by tangentially-arranged threaded pin and nut
Abstract
The invention discloses a worm gear hoop, a transmission structure and an automobile, wherein the worm gear hoop comprises an outer hoop, an inner hoop and an elastic part, the outer hoop is provided with a head end and a tail end which are oppositely arranged, the head end and the tail end are oppositely bent so that the outer hoop is annularly arranged, and the head end is used for being connected with the tail end; the inner strap and the outer strap are arranged at intervals and are positioned on the inner side of the outer strap, an opening is formed in the joint of the head end and the tail end of the inner strap, and the inner wall surface of the inner strap is used for being abutted against the outer wall surface of the hose; the elastic component is arranged between the outer hoop and the inner hoop, one end of the elastic component is fixedly connected with the outer hoop, and the other end of the elastic component is fixedly connected with the inner hoop so that the inner hoop can be movably arranged in the inner direction and the outer direction. The invention plays a compensation role through the arrangement of the elastic part, so that the inner hoop can move along the inner direction and the outer direction along with the increase and the decrease of the outer diameter of the hose under the condition that the outer hoop is tightened, thereby always providing required fastening force and improving the fixing reliability of the worm gear hoop.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to the technical field of automobile transmission systems, and specifically relates to a worm gear hoop, a transmission structure and an automobile.
Background
The worm gear hoop, which is commonly used in automotive drive systems, is typically used to secure a pipe fitting to fixedly attach a hose to a hard pipe. Because current turbine worm hoop all generally does not have elasticity, remains unchanged at fastening installation later stage state, but the phenomenon that expend with heat and contract with cold can appear in the hose in the use, when the external diameter of hose reduces, can produce the clearance between hose and the hoop for the locking force of hoop diminishes, and fixed effect variation leads to pipe-line system to appear situations such as leaking even, and the reliability is poor.
Disclosure of Invention
The invention mainly aims to provide a worm gear hoop, a transmission structure and an automobile, and aims to provide the worm gear hoop with a self-compensation function and improve the fixing reliability of the worm gear hoop.
In order to achieve the above object, the present invention provides a worm gear hoop for fixing a connection between a hose and a hard pipe so that the hose is fixedly sleeved on the outside of the hard pipe, the worm gear hoop comprising:
the outer strap is provided with a head end and a tail end which are oppositely arranged, the head end and the tail end are oppositely bent, so that the outer strap is annularly arranged, and the head end is connected with the tail end;
the inner hoop is arranged at a distance from the outer hoop and is positioned on the inner side of the outer hoop, an opening is formed in the joint of the inner hoop corresponding to the head end and the tail end, and the inner wall surface of the inner hoop is used for being abutted against the outer wall surface of the hose; and the number of the first and second groups,
the elastic piece is arranged between the outer hoop and the inner hoop, one end of the elastic piece is fixedly connected with the outer hoop, and the other end of the elastic piece is fixedly connected with the inner hoop so that the inner hoop can be movably arranged in the inner and outer directions.
Optionally, a protrusion is disposed on one side of the outer band, one end of the protrusion, which is far away from the outer band, is provided with a limiting block, which extends inwards to form a limiting block, the limiting block protrudes inwards from the inner band, the limiting block is provided with a butting surface facing the inner band, and the butting surface is used for butting against the pipe orifice of the hose.
Optionally, the limiting block is provided with an inner end surface far away from the protrusion, and the inner end surface is in an arc shape matched with the shape of the hard tube.
Optionally, two limiting blocks are arranged, and the two limiting blocks are arranged at intervals along the circumferential direction of the outer strap.
Optionally, the elastic member is a sheet metal spring.
Optionally, the inner wall surface of the inner band is smooth.
Optionally, the head end is movably arranged relative to the tail end in a circumferential direction of the outer band, such that an inner diameter of the outer band is adjustable.
Optionally, the outer wall surface of the head end is provided with a thread, the tail end is provided with a fixing structure in an outward protruding manner, the fixing structure and the outer wall surface of the tail end enclose a mounting hole for the head end to penetrate through, and the inner wall of the mounting hole is provided with a thread;
the worm gear hoop further comprises a bolt, and the bolt penetrates through the mounting hole and is in threaded connection with the outer wall surface of the head end.
Furthermore, the present invention further provides a transmission structure, which includes a worm gear hoop, the worm gear hoop is used for fixing a connection between a hose and a hard pipe, so that the hose is fixedly sleeved outside the hard pipe, and the worm gear hoop includes:
the outer strap is provided with a head end and a tail end which are oppositely arranged, the head end and the tail end are oppositely bent, so that the outer strap is annularly arranged, and the head end is connected with the tail end;
the inner hoop is arranged at a distance from the outer hoop and is positioned on the inner side of the outer hoop, an opening is formed in the joint of the inner hoop corresponding to the head end and the tail end, and the inner wall surface of the inner hoop is used for being abutted against the outer wall surface of the hose; and the number of the first and second groups,
the elastic piece is arranged between the outer hoop and the inner hoop, one end of the elastic piece is fixedly connected with the outer hoop, and the other end of the elastic piece is fixedly connected with the inner hoop so that the inner hoop can be movably arranged in the inner and outer directions.
Furthermore, the present invention also provides an automobile, which includes a transmission structure, wherein the transmission structure includes a worm gear hoop, the worm gear hoop is used for fixing a joint between a hose and a hard pipe so that the hose is fixedly sleeved outside the hard pipe, and the worm gear hoop includes:
the outer strap is provided with a head end and a tail end which are oppositely arranged, the head end and the tail end are oppositely bent, so that the outer strap is annularly arranged, and the head end is connected with the tail end;
the inner hoop is arranged at a distance from the outer hoop and is positioned on the inner side of the outer hoop, an opening is formed in the joint of the inner hoop corresponding to the head end and the tail end, and the inner wall surface of the inner hoop is used for being abutted against the outer wall surface of the hose; and the number of the first and second groups,
the elastic piece is arranged between the outer hoop and the inner hoop, one end of the elastic piece is fixedly connected with the outer hoop, and the other end of the elastic piece is fixedly connected with the inner hoop so that the inner hoop can be movably arranged in the inner and outer directions.
According to the technical scheme provided by the invention, the worm gear hoop comprises an outer hoop, an inner hoop and an elastic part, the elastic part is arranged to play a compensation role, so that the elastic force can be provided for the inner hoop under the condition that the outer hoop is shrunk, and when the outer diameter of the hose is increased or decreased in the using process, the inner hoop can move along the inner direction and the outer direction along with the increase or decrease of the outer diameter of the hose, so that the required fastening force is provided all the time, and the fixing reliability of the worm gear hoop is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a worm gear hoop provided by the present invention;
fig. 2 is a schematic view of the worm gear hoop fixedly mounted to the connection between the hose and the hard pipe in fig. 1.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The existing worm and gear hoop generally has no elasticity, and the state is kept unchanged at the later stage of fastening and installation, but the phenomenon of thermal expansion and cold contraction can appear in the hose in the use, and when the outer diameter of the hose is reduced, a gap can be generated between the hose and the hoop, so that the locking force of the hoop is reduced, the fixing effect is poor, and even a pipeline system is caused to leak, and the reliability is poor.
In view of this, the present invention provides a worm gear hoop, fig. 1 shows an embodiment of the worm gear hoop provided in the present invention, and fig. 2 is a schematic structural diagram of the worm gear hoop 100 provided in fig. 1 when being fixedly installed, where the worm gear hoop 100 is used to fix a connection between a hose 201 and a hard pipe 202, so that the hose 201 is fixedly installed outside the hard pipe 202. Referring further to fig. 1 and 2, in the embodiment of the present invention, the worm gear hoop 100 includes an outer hoop 10, an inner hoop 20, and an elastic member 30, the outer hoop 10 has a head end 11 and a tail end 12 opposite to each other, the head end 11 and the tail end 12 are bent toward each other to form the outer hoop 10 into a ring shape, and the head end 11 is configured to be connected to the tail end 12; the inner clamping band 20 is arranged at an interval from the outer clamping band 10 and is located on the inner side of the outer clamping band 10, an opening 21 is formed in the inner clamping band 20 corresponding to the joint of the head end 11 and the tail end 12, and the inner wall surface of the inner clamping band 20 is used for being abutted against the outer wall surface of the hose 201; the elastic member 30 is disposed between the outer band 10 and the inner band 20, and one end of the elastic member 30 is fixedly connected to the outer band 10, and the other end is fixedly connected to the inner band 20, so that the inner band 20 is movably disposed in the inner and outer directions.
In the technical scheme provided by the invention, the worm gear hoop 100 comprises an outer hoop 10, an inner hoop 20 and an elastic member 30, the arrangement of the elastic member 30 plays a compensation role, so that under the condition that the outer hoop 10 is shrunk, elastic force can be provided for the inner hoop 20, and when the outer diameter of the hose 201 is increased or decreased in the use process, the inner hoop 20 can move along the inner direction and the outer direction along with the increase or decrease of the outer diameter of the hose 201, so that the inner hoop 20 is ensured to be always in close contact with the hose 201, a required fastening force is provided, and the fixing reliability of the worm gear hoop 100 is improved.
When the worm gear hoop 100 is fixed, a certain distance needs to be left from the nozzle of the hose 201 so as to enable the connection between the hard pipe 202 and the hose 201 to be more stable and reliable, and preferably, the worm gear hoop 100 further comprises a limiting structure, and the limiting structure is arranged on the outer band 10 or the inner band 20 and used for abutting against the nozzle of the hose 201. Specifically, referring to fig. 1, in this embodiment, a protrusion 13 is disposed on one side of the outer band 10, a limit block 14 is formed by extending inward at one end of the protrusion 13 away from the outer band 10, the limit block 14 protrudes inward from the inner band 20, and the limit block 14 has an abutting surface facing the inner band 20, and the abutting surface is configured to abut against the pipe orifice of the hose 201. In this way, when the worm gear hoop 100 is fitted to the outside of the hose 201, the abutment surface abuts against the end surface of the pipe opening of the hose 201, so that the direction of the worm gear hoop 100 can be adjusted to make the axis of the worm gear hoop 100 coincide with the axis of the hose 201, thereby avoiding problems such as poor fastening effect and leakage caused by inclination of the worm gear hoop 100 during fixing; meanwhile, the distance between the worm gear hoop 100 and the pipe orifice of the hose 201 can be regulated and controlled through the height size design of the bulge 13, and a good positioning effect is achieved.
When the worm gear hoop 100 is sleeved on the periphery of the hose 201, the limiting block 14 is correspondingly located on the periphery of the hard tube 202, the limiting block 14 has an inner end surface far away from the protrusion 13, the inner end surface may abut against an outer wall surface of the hard tube 202, or a gap may be reserved, and in order to avoid interference between the limiting block 14 and the hard tube 202, in this embodiment, referring to fig. 1 and 2, the inner end surface is preferably set to be an arc-shaped configuration adapted to the shape of the hard tube 202, so that interference between the limiting block 14 and the hard tube 202 may be avoided.
Furthermore, the limiting blocks 14 may be a plurality of limiting ring blocks annularly arranged along the circumferential direction of the outer band 10, or a plurality of limiting ring blocks annularly arranged along the circumferential direction of the outer band 10 at intervals, and both these two ways can improve the positioning accuracy and stability of the limiting structure.
The material of the outer band 10 and the inner band 20 is metal, such as iron, stainless steel, etc., and in this embodiment, the outer band 10 and the inner band 20 are both steel bands. The inner wall surface of the inner clamping band 20 is a curved surface matched with the shape of the hose 201 and is used for being abutted against the outer wall surface of the hose 201, in this embodiment, the inner wall surface of the inner clamping band 20 is a smooth surface, so that the situation that the hose 201 is cut by the inner clamping band 20 when the worm gear hoop 100 is fastened can be avoided. The "smooth surface" as used herein means a structure in which the inner wall surface of the inner band 20 is not provided with a concavo-convex structure, and the hose 201 is not easily torn, such as burrs or sharp projections. In addition, the elastic member 30 is preferably a sheet metal spring, which has higher strength and is not easy to lose efficacy or deform in a long-term use process, and in this embodiment, the sheet metal spring is welded to the inner wall surface of the outer band 10, and the sheet metal spring and the inner band 20 can also be connected by welding, so that the connection between the sheet metal spring and the outer band 10 and the connection between the sheet metal spring and the inner band 20 are more reliable.
Further, the head end 11 is movably disposed relative to the tail end 12 in a circumferential direction of the outer band 10, so that an inner diameter of the outer band 10 is adjustable. In this way, after the worm gear hoop 100 is sleeved outside the hose 201 and the abutting surface abuts against the pipe orifice of the hose 201, the head end 11 is moved to the inner wall surface of the inner hoop 20 to completely abut against the hose 201, and then the head end 11 is fixed to the tail end 12, so that the outer hoop 10 forms a closed loop, and the tightening of the worm gear hoop 100 is completed. In this way, by providing the outer band 10 with an adjustable inner diameter, the worm gear hoop 100 can be applied to fastening and connecting more hoses 201 with different outer diameter sizes, and the fastening effect is more secure.
There are various ways to adjust the inner diameter of the outer band 10, for example, one of the head end 11 and the tail end 12 may be provided with a plurality of clamping holes at intervals along the circumferential direction, and the other may be correspondingly provided with a buckle for clamping with the clamping holes. In the present embodiment, referring to fig. 1, the inner diameter of the outer band 10 can be adjusted by: the outer wall surface of the head end 11 is provided with threads, the tail end 12 is provided with a fixing structure 22 in an outward protruding manner, the fixing structure 22 and the outer wall surface of the tail end 12 enclose a mounting hole for the head end to penetrate through 11, and the inner wall of the mounting hole is provided with threads; the worm gear hoop 100 further comprises a bolt 40, and the bolt 40 is arranged in the mounting hole in a penetrating mode and is in threaded connection with the outer wall surface of the head end 11. Therefore, the connection between the head end 11 and the tail end 12 is more stable and reliable, the inner diameter of the outer strap 10 can be adjusted more flexibly, and the change range of the inner diameter is wider.
In addition, the invention also provides a transmission structure, the transmission structure comprises a worm gear hoop 100, and the specific structure of the worm gear hoop 100 refers to the embodiment. Since the transmission structure provided by the invention adopts all technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and detailed description is omitted.
In addition, the invention also provides an automobile which comprises a transmission structure, and the specific structure of the transmission structure refers to the embodiment. Since the automobile provided by the invention adopts all the technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and detailed description is omitted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A worm gear hoop used for fixing the connection position of a hose and a hard pipe and enabling the hose to be fixedly sleeved outside the hard pipe, and the worm gear hoop is characterized by comprising:
the outer strap is provided with a head end and a tail end which are oppositely arranged, the head end and the tail end are oppositely bent, so that the outer strap is annularly arranged, and the head end is connected with the tail end;
the inner hoop is arranged at a distance from the outer hoop and is positioned on the inner side of the outer hoop, an opening is formed in the joint of the inner hoop corresponding to the head end and the tail end, and the inner wall surface of the inner hoop is used for being abutted against the outer wall surface of the hose; and the number of the first and second groups,
the elastic piece is arranged between the outer hoop and the inner hoop, one end of the elastic piece is fixedly connected with the outer hoop, and the other end of the elastic piece is fixedly connected with the inner hoop so that the inner hoop can be movably arranged in the inner and outer directions.
2. The worm-gear hoop according to claim 1, wherein a protrusion is provided on one side of the outer band, an end of the protrusion away from the outer band is provided with a stopper extending inward to form a stopper, the stopper protrudes inward from the inner band, and the stopper has an abutment surface facing the inner band, the abutment surface is configured to abut against a nozzle of the hose.
3. The worm-gear collar of claim 2, wherein the stop has an inner end surface remote from the protrusion, the inner end surface being in an arcuate configuration adapted to the shape of the rigid tube.
4. The worm gear hoop according to claim 2 or 3, wherein the number of the limiting blocks is two, and the two limiting blocks are arranged at intervals along the circumferential direction of the outer hoop.
5. The worm gear hoop of claim 1, wherein the resilient member is a sheet metal spring.
6. The worm-gear hoop of claim 1, wherein the inner wall surface of the inner band is smooth.
7. The worm gear hoop according to claim 1, wherein the head end is movably arranged with respect to the tail end in a circumferential direction of the outer band, so that an inner diameter of the outer band is adjustable.
8. The worm-gear hoop as claimed in claim 7, wherein the outer wall surface of the head end is provided with screw threads, the tail end is provided with fixing structures protruding outwards, the fixing structures and the outer wall surface of the tail end enclose a mounting hole for the head end to pass through, and the inner wall of the mounting hole is provided with screw threads;
the worm gear hoop further comprises a bolt, and the bolt penetrates through the mounting hole and is in threaded connection with the outer wall surface of the head end.
9. A transmission structure comprising a worm gear ring according to any one of claims 1 to 8.
10. A motor vehicle, characterized by comprising the transmission structure according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666645.4A CN111795243A (en) | 2020-07-10 | 2020-07-10 | Worm and gear hoop, transmission structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666645.4A CN111795243A (en) | 2020-07-10 | 2020-07-10 | Worm and gear hoop, transmission structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111795243A true CN111795243A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010666645.4A Pending CN111795243A (en) | 2020-07-10 | 2020-07-10 | Worm and gear hoop, transmission structure and automobile |
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| Country | Link |
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| CN (1) | CN111795243A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023009163A1 (en) * | 2021-07-28 | 2023-02-02 | Oetiker Ny, Inc. | Fluid connection assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309607A (en) * | 1991-08-16 | 1994-05-10 | Rasmussen Gmbh | Hose clip |
| US6088886A (en) * | 1997-07-01 | 2000-07-18 | Rasmussen Gmbh | Hose clamp having a spring ring disposed within the clamp |
| CN101201138A (en) * | 2006-10-12 | 2008-06-18 | 诺玛德国有限责任公司 | Hose clip |
| CN204312907U (en) * | 2014-12-16 | 2015-05-06 | 江西天昊汽车部件有限公司 | Automobile flexible collar |
| CN107743563A (en) * | 2015-06-15 | 2018-02-27 | 德国诺玛公司 | Fixture with clamping band and pre-determined bit part |
| CN207421595U (en) * | 2017-10-13 | 2018-05-29 | 天津市鹤鼎工贸有限公司 | Monaural Double-layer elastic hoop |
-
2020
- 2020-07-10 CN CN202010666645.4A patent/CN111795243A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309607A (en) * | 1991-08-16 | 1994-05-10 | Rasmussen Gmbh | Hose clip |
| US6088886A (en) * | 1997-07-01 | 2000-07-18 | Rasmussen Gmbh | Hose clamp having a spring ring disposed within the clamp |
| CN101201138A (en) * | 2006-10-12 | 2008-06-18 | 诺玛德国有限责任公司 | Hose clip |
| CN204312907U (en) * | 2014-12-16 | 2015-05-06 | 江西天昊汽车部件有限公司 | Automobile flexible collar |
| CN107743563A (en) * | 2015-06-15 | 2018-02-27 | 德国诺玛公司 | Fixture with clamping band and pre-determined bit part |
| CN207421595U (en) * | 2017-10-13 | 2018-05-29 | 天津市鹤鼎工贸有限公司 | Monaural Double-layer elastic hoop |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023009163A1 (en) * | 2021-07-28 | 2023-02-02 | Oetiker Ny, Inc. | Fluid connection assembly |
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Application publication date: 20201020 |
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